目的鉴定蝉贝合剂的化学成分,并基于人体胃肠道微生态系统模拟器(simulator of human intestinal microbial ecosystem,SHIME)探讨其模拟胃肠代谢变化。方法采用超高效液相色谱-四极杆/静电场轨道离子阱串联质谱(UHPLC-Q-Orbitrap-MS/MS...目的鉴定蝉贝合剂的化学成分,并基于人体胃肠道微生态系统模拟器(simulator of human intestinal microbial ecosystem,SHIME)探讨其模拟胃肠代谢变化。方法采用超高效液相色谱-四极杆/静电场轨道离子阱串联质谱(UHPLC-Q-Orbitrap-MS/MS)对蝉贝合剂的化学成分及其在SHIME系统中的代谢产物进行分析鉴定。结果蝉贝合剂中共鉴定到167个化学成分,主要为黄酮类、香豆素类、萜类、生物碱、有机酸类等。此外,在SHIME系统中共检测到了106种原型成分,其在SHIME内的代谢过程主要包括氧化、还原、水合、甲基化、去甲基化、乙酰化、葡萄糖醛酸化等。结论本研究阐释了蝉贝合剂的化学成分及其在人胃肠道模拟系统中的代谢变化。应用SHIME系统可模拟口服制剂在人体胃肠道的消化过程,此方法可为口服制剂的体内代谢研究提供参考。展开更多
目的基于多元统计分析和网络药理学分析预测炒酸枣仁饮片潜在的质量标志物(Q-Marker)。方法利用超高效液相色谱-四极杆-静电场轨道阱质谱联用(ultra performance liquid chromatography-quadrupole-electrostatic field orbital trap ma...目的基于多元统计分析和网络药理学分析预测炒酸枣仁饮片潜在的质量标志物(Q-Marker)。方法利用超高效液相色谱-四极杆-静电场轨道阱质谱联用(ultra performance liquid chromatography-quadrupole-electrostatic field orbital trap mass spectrometry,UHPLC-Q-Orbitrap-MS)解析生、炒酸枣仁饮片的主要成分,运用多元统计分析结合VIP>1和P<0.05筛选出炮制前后潜在的差异化学成分。结合网络药理学筛选核心靶点构建"成分-靶点-通路"网络关系,预测炒酸枣仁潜在的Q-Marker,以潜在Q-Marker为指标对市售样品进行含量测定,验证Q-Marker的科学性。结果生、炒酸枣仁共鉴定54个化学成分,包括斯皮诺素、当药黄素等黄酮类成分,酸枣仁皂苷A、酸枣仁皂苷B等皂苷类成分,以及木兰花碱、乌药碱等生物碱类成分;结合多元统计分析共找到木兰花碱、6"’-阿魏酰斯皮诺素、酸枣仁皂苷A、白桦脂酸等28个差异性成分;经网络药理学分析筛选出包括17个差异成分的Q-Marker库,分别为酸枣仁皂苷A、酸枣仁皂苷B、美洲茶酸、白桦脂酸、木兰花碱、乌药碱、去甲荷叶碱、巴婆碱、斯皮诺素、当药黄素、维采宁Ⅱ、6"’-对-香豆酰斯皮诺素、6"’-阿魏酰斯皮诺素、芹菜素、桦木酮酸、牡荆素、异牡荆素;结合课题组前期研究及市售样品测定结果,最终确定木兰花碱、乌药碱、斯皮诺素、6"’-阿魏酰斯皮诺素、酸枣仁皂苷A和B作为炒酸枣仁的Q-Marker。结论分析预测的Q-Marker为炒酸枣仁的整体质量控制及临床应用提供科学依据,同时也为其功效关联物质的研究及作用机制的阐释奠定基础。展开更多
Ziziphi Spinosae Semen(ZSS),a traditional Chinese medicine,is used in clinics for the treatment of insomnia in China and other Asian countries.Herein,we described for the first time a comparative pharmacokinetics stud...Ziziphi Spinosae Semen(ZSS),a traditional Chinese medicine,is used in clinics for the treatment of insomnia in China and other Asian countries.Herein,we described for the first time a comparative pharmacokinetics study of the six major compounds of ZSS in normal control(NC)and para-chlorophenylalanine(PCPA)-induced insomnia model(IM)rats that were orally administered the aqueous extract of ZSS.An ultra-high-performance liquid chromatography coupled with quadrupole orbitrap mass(UHPLC-Q-Orbitrap-MS)method was developed and validated for the simultaneous determination of coclaurine,magnoflorine,spinosin,6000-feruloylspinosin,jujuboside A(JuA),and jujuboside B(JuB)in ZSS in rat plasma.The established approach was successfully applied to a comparative pharmacokinetic study.The systemic exposures of spinosin and 6000-feruloylspinosin were decreased in the IM group compared to the NC group,while plasma clearance(CL)was significantly increased.The Tmax values of JuA and JuB in IM rats were significantly lower than those in NC rats.The T1/2 of JuA in the IM group was significantly accelerated.The pharmacokinetic parameters of coclaurine and magnoflorine were not evidently affected between the two groups.These results indicate that the pathological state of insomnia altered the plasma pharmacokinetics of spinosin,6000-feruloylspinosin,JuA,and JuB in the ZSS aqueous extract,providing an experimental basis for the role of ZSS in insomnia treatment.The comparative pharmacokinetics-based UHPLC-Q-Orbitrap-MS using full-scan mode can therefore provide a reliable and suitable means for the screening of potentially effective substances applied as quality markers of ZSS.展开更多
文摘目的鉴定蝉贝合剂的化学成分,并基于人体胃肠道微生态系统模拟器(simulator of human intestinal microbial ecosystem,SHIME)探讨其模拟胃肠代谢变化。方法采用超高效液相色谱-四极杆/静电场轨道离子阱串联质谱(UHPLC-Q-Orbitrap-MS/MS)对蝉贝合剂的化学成分及其在SHIME系统中的代谢产物进行分析鉴定。结果蝉贝合剂中共鉴定到167个化学成分,主要为黄酮类、香豆素类、萜类、生物碱、有机酸类等。此外,在SHIME系统中共检测到了106种原型成分,其在SHIME内的代谢过程主要包括氧化、还原、水合、甲基化、去甲基化、乙酰化、葡萄糖醛酸化等。结论本研究阐释了蝉贝合剂的化学成分及其在人胃肠道模拟系统中的代谢变化。应用SHIME系统可模拟口服制剂在人体胃肠道的消化过程,此方法可为口服制剂的体内代谢研究提供参考。
文摘目的基于多元统计分析和网络药理学分析预测炒酸枣仁饮片潜在的质量标志物(Q-Marker)。方法利用超高效液相色谱-四极杆-静电场轨道阱质谱联用(ultra performance liquid chromatography-quadrupole-electrostatic field orbital trap mass spectrometry,UHPLC-Q-Orbitrap-MS)解析生、炒酸枣仁饮片的主要成分,运用多元统计分析结合VIP>1和P<0.05筛选出炮制前后潜在的差异化学成分。结合网络药理学筛选核心靶点构建"成分-靶点-通路"网络关系,预测炒酸枣仁潜在的Q-Marker,以潜在Q-Marker为指标对市售样品进行含量测定,验证Q-Marker的科学性。结果生、炒酸枣仁共鉴定54个化学成分,包括斯皮诺素、当药黄素等黄酮类成分,酸枣仁皂苷A、酸枣仁皂苷B等皂苷类成分,以及木兰花碱、乌药碱等生物碱类成分;结合多元统计分析共找到木兰花碱、6"’-阿魏酰斯皮诺素、酸枣仁皂苷A、白桦脂酸等28个差异性成分;经网络药理学分析筛选出包括17个差异成分的Q-Marker库,分别为酸枣仁皂苷A、酸枣仁皂苷B、美洲茶酸、白桦脂酸、木兰花碱、乌药碱、去甲荷叶碱、巴婆碱、斯皮诺素、当药黄素、维采宁Ⅱ、6"’-对-香豆酰斯皮诺素、6"’-阿魏酰斯皮诺素、芹菜素、桦木酮酸、牡荆素、异牡荆素;结合课题组前期研究及市售样品测定结果,最终确定木兰花碱、乌药碱、斯皮诺素、6"’-阿魏酰斯皮诺素、酸枣仁皂苷A和B作为炒酸枣仁的Q-Marker。结论分析预测的Q-Marker为炒酸枣仁的整体质量控制及临床应用提供科学依据,同时也为其功效关联物质的研究及作用机制的阐释奠定基础。
基金This work was supported by grants from the National Natural Science Foundation of China(No:81603289,81603251)Key Laboratory of Effective Substances Research and Utilization in TCM of Shanxi province(No:201605D111004)and Key Technology Research Zhen Dong Special Project from Shanxi Science and Technology Department(No:2016ZD0105).
文摘Ziziphi Spinosae Semen(ZSS),a traditional Chinese medicine,is used in clinics for the treatment of insomnia in China and other Asian countries.Herein,we described for the first time a comparative pharmacokinetics study of the six major compounds of ZSS in normal control(NC)and para-chlorophenylalanine(PCPA)-induced insomnia model(IM)rats that were orally administered the aqueous extract of ZSS.An ultra-high-performance liquid chromatography coupled with quadrupole orbitrap mass(UHPLC-Q-Orbitrap-MS)method was developed and validated for the simultaneous determination of coclaurine,magnoflorine,spinosin,6000-feruloylspinosin,jujuboside A(JuA),and jujuboside B(JuB)in ZSS in rat plasma.The established approach was successfully applied to a comparative pharmacokinetic study.The systemic exposures of spinosin and 6000-feruloylspinosin were decreased in the IM group compared to the NC group,while plasma clearance(CL)was significantly increased.The Tmax values of JuA and JuB in IM rats were significantly lower than those in NC rats.The T1/2 of JuA in the IM group was significantly accelerated.The pharmacokinetic parameters of coclaurine and magnoflorine were not evidently affected between the two groups.These results indicate that the pathological state of insomnia altered the plasma pharmacokinetics of spinosin,6000-feruloylspinosin,JuA,and JuB in the ZSS aqueous extract,providing an experimental basis for the role of ZSS in insomnia treatment.The comparative pharmacokinetics-based UHPLC-Q-Orbitrap-MS using full-scan mode can therefore provide a reliable and suitable means for the screening of potentially effective substances applied as quality markers of ZSS.
